CN107060124A - Many level damping classification surrender metal dampers - Google Patents
Many level damping classification surrender metal dampers Download PDFInfo
- Publication number
- CN107060124A CN107060124A CN201611083407.0A CN201611083407A CN107060124A CN 107060124 A CN107060124 A CN 107060124A CN 201611083407 A CN201611083407 A CN 201611083407A CN 107060124 A CN107060124 A CN 107060124A
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- Prior art keywords
- damper
- ring
- dampers
- metal
- many level
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The invention provides a kind of many level damping classification surrender metal dampers, including coaxial inside and outside at least two ring dampers being arranged, have between the two neighboring ring damper and be spaced and connected by connection backing plate, two described ring dampers are used to be connected with building structure；When flexural deformation, the relative ring damper in inner ring is than the relative ring damper preferential yield for being in outer ring.The present invention can produce good damping energy consumption effect in small shake, middle shake and big earthquake centre simultaneously.
Description
Technical field
The invention belongs to the energy-dissipating and shock-absorbing field of building structure, it is related to a kind of damping classification surrender damper.
Background technology
Energy-dissipating and shock-absorbing technology is the widely used anti-seismic technology in our times various countries, has at home and abroad been obtained commonly used.
Polytype damper is developed at present, for example Effects of Viscous Fluid Damper, viscoelastic damper, frcition damper and magnetorheological
Damper etc., wherein metal damper are relatively low because of its manufacturing cost, solid durable, easy construction, safeguard and replacement expense is relatively low,
It is most widely used at present in engineering structure field of shock absorption.
The plasticity hysteresis deformation dissipation Seismic input structural energy that metal damper is produced when being surrendered using metal material, energy
Enough dynamic respons for effectively mitigating structure.But current existing metal damper, is largely middle shake surrender power consumption, so then leads
Cause surrender bearing power increase of the damper in big shake limited, damper can not play bigger power consumption in big shake and make
With.Some metal damper is that surrender power consumption just occurs for metal damper, and typically locates during middle shake when by big shake
In elastic stage, it can't consume energy, such damper cannot play a part of dissipation seismic energy in middle shake.In addition,
More metal dampers are in elastic stage in small shake, can not play power consumption effect.
Therefore, develop a kind of classification surrender type metal damper for different fortifications it is significant, i.e., it is small shake or
The partial component surrender of metal damper during middle shake, the classification surrender type damping of all components surrender of metal damper during big shake
Device.
The content of the invention
To overcome the defect present in prior art, a kind of many level damping classification surrender metal dampers are now provided, with
Reach that damper is classified the good damping effect of surrender under different fortifications.
To achieve the above object, solution of the invention is：A kind of many level damping classification surrender metal dampings are provided
Device, many level damping classification surrender metal dampers include coaxial inside and outside at least two ring dampers being arranged, adjacent
Have between two ring dampers and be spaced and connected partially over connection backing plate, two ring dampers are used for
It is connected with building structure；When flexural deformation, the relative ring damper in inner ring is than the relative institute for being in outer ring
State ring damper preferential yield.
Preferably, each ring damper includes the segmental arc at two ends and is connected between segmental arc described in two ends
Interlude, the interlude is provided with connecting plate is expanded, and the connection backing plate is clamped and connected in inside and outside two annular dampers
Between adjacent two pieces of expansion connecting plates of device.
Preferably, the link position of the segmental arc and the interlude smoothly transits, to prevent stress concentration.
Preferably, every piece of described expands offers screw on connecting plate, the expansion connecting plate and the connection backing plate spiral shell
Tether and connect.
Preferably, many level damping classification surrender metal dampers are used to be arranged at the coupling beam of Coupled Shear Wall simultaneously
The non-compliant section of the coupling beam is connected to by high-strength bolt, the non-compliant section is embedded in the Coupled Shear Wall in advance.
Preferably, the ring damper is made up of metal material, including Low Yield Point Steel or Q235 steel, inside and outside two institutes
State ring damper to be made up of same material or different materials, inside and outside two ring dampers have different surrenders respectively
Displacement.
Preferably, analyzed respectively by finite element modelling and calculate the inside and outside ring damper when designing displacement most
Big lateral deformation amount, the thickness of the connection backing plate is more than the maximum lateral deformation amount；In the design process of damper, root
According to different target displacement demand of the structure under different fortification earthquakes, calculated and damped by the displacement of targets demand of structure
Relative deformation of the device under different fortifications, then determines the chi of inner ring and outer rings damper by finite element modelling and experiment
It is very little.
Preferably, there is floor, the design displacement is less than described between the Coupled Shear Wall or above the coupling beam
Vertical clearance between many level dampings classification surrender metal dampers and the floor from.
Preferably, the quantity of the ring damper is to lead between three, and the interlude of the adjacent ring damper
Connection backing plate is crossed to be connected for the surrender power consumption one by one under three different earthquake magnitudes.
Preferably, many level damping classification surrender metal damper branch, which are located at the interlayer of frame structure and then are classified, bends
Metal damper, can be specifically supported in frame structure by clothes power consumption by wall.
Preferably, the ring damper is formed by the cutting of block of metal plate or polylith metal plate weld is spliced.
Due to using above-mentioned technical proposal, the beneficial effect bag of many level damping classification surrender metal dampers of the invention
Include：
1) damper is classified surrender under different fortifications, the seismic energy for the varying strength that can dissipate to greatest extent
Amount, significantly mitigates the dynamic respons of structure, and this is the great advantage of the present invention.
2) deformability of ring damper of the invention is strong, i.e., the inner ring of preferential yield, is shaking greatly when small shake or middle shake
When still will not destroy, can continue to effectively to play power consumption effect, this is the big advantage of the present invention.
3) clearly, low cost, it is easy to process, easy construction, energy consumption effect significantly, and is easy to after shake Seismic mechanism of the present invention
Dismounting and change.
4) present invention can be advantageously mounted at the interlayer of coupling beam span centre position or framework, under normal operating condition,
It can improve the integral rigidity of structure；In earthquake, the work of classification surrender power consumption can be played for the earthquake of varying strength
With effective dynamic respons for mitigating structure, with wide future in engineering applications.
Brief description of the drawings
Fig. 1 is many level damping classification surrender metal damper schematic three dimensional views of first embodiment of the invention；
Fig. 2 is the positive structure schematic that many level dampings are classified surrender metal damper；
Fig. 3 is the side structure schematic diagram of corresponding diagram 2；
Fig. 4 is the overlooking the structure diagram of corresponding diagram 3；
Fig. 5 is the plastic strain cloud reference of many level dampings classification surrender metal damper under the middle shake that ABAQUS is simulated
Figure；
Fig. 6 is the plastic strain cloud reference of many level dampings classification surrender metal damper under the big shake that ABAQUS is simulated
Figure；
Fig. 7 is the hysteresis loop for many level dampings classification surrender metal damper that ABAQUS is simulated with reference to figure；
Fig. 8 is the overall cross-sectional view under the application implementation state of corresponding diagram 1.
Wherein, label in figure：
1- outer shroud dampers；2- inner ring dampers；3- connection backing plates；4- coupling beams non-compliant section；5- shear wall wall limbs；6- buildings
Plate；7- high-strength bolts；98- screws；99- expands connecting plate.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing illustrated embodiment.
Embodiment one：
With reference to shown in Fig. 1 and Fig. 8, the invention provides a kind of many level damping classification surrender metal dampers, it is set
In building structure, the non-compliant section 4 using the coupling beam of Coupled Shear Wall 5 is for replacing part coupling beam to be tied as building in the present embodiment
The applicating example of structure, it includes two ring dampers being set with exterior and interior axle sleeves, described two ring dampers small one and large one,
Less inner ring damper 2 is enclosed on the inside of larger outer shroud damper 1, the planar section of two ring damper left and right sides
Between be provided with connection backing plate 3, described two ring dampers are directly connected with the built-in fitting (i.e. non-compliant section 4) of coupling beam.
Specifically, with reference to shown in Fig. 2 to Fig. 4, each ring damper includes the segmental arc at two ends and is connected to
Interlude between segmental arc described in two ends, the interlude provided with expand connecting plate 99, the connection backing plate 3 be clamped and connected in
Between adjacent two pieces of expansion connecting plates 99 of inside and outside two ring dampers.Every piece of described expands opens on connecting plate 99
Provided with some screws 98, the expansion connecting plate 99 is connected with the bolt 7 of connection backing plate 3, and many level damping classifications are bent
Take the non-compliant section 4 that metal damper coordinates high-strength bolt to be connected to the coupling beam by the connection backing plate 3, the non-compliant
Section 4 is embedded in the Coupled Shear Wall 5 in advance.
Preferably, the ring damper is formed by the cutting of block of metal plate or polylith metal plate weld is spliced.Institute
The link position for stating segmental arc and the interlude smoothly transits, to prevent stress concentration.Two described annular dampers
Device is made of Q235 steel or Low Yield Point Steel, and inside and outside two ring dampers are made up of same material or different materials,
There is different yield displacements respectively under inside and outside two ring damper different anti-seismic levels.
Analyzed respectively by finite element modelling and calculate maximum of the inside and outside ring damper when designing displacement laterally
Deflection, the thickness of the connection backing plate 3 is more than the maximum lateral deformation amount.Wherein, design displacement refers to determine during design
Maximum relative displacement of the damper in macroseism, yield displacement refers to that the inner ring and outer rings of damper initially enter surrender respectively
Corresponding displacement during state.In the design process of damper, according to different target of the structure under different fortification earthquakes
Displacement demand, is calculated by the displacement of targets demand of structure and obtains relative deformation of the damper under different fortifications, Ran Houtong
Cross finite element modelling and experiment determines the size of inner ring and outer rings damper.
When practical application, many level damping classification surrender metal dampers can be applied to a variety of building structure rings
Under border, for example, between Coupled Shear Wall 5.Specifically, there is building between the Coupled Shear Wall 5 or above the coupling beam
Plate 6, the design displacement is less than the vertical clearance between many level damping classification surrender metal dampers and the floor 6
From.The non-compliant section 4 of the coupling beam is preferably designed to non-uniform beam, the termination size of non-uniform beam and the middle part size phase of outer shroud
Closely.
Also many level damping classification surrender metal damper branch can be located at the interlayer of frame structure and then is classified and bent
Metal damper, can be specifically supported in frame structure by clothes power consumption by support or wall.(not shown)
When flexural deformation, in small shake or middle shake, the less surrender of inner ring damper 2 power consumption, the larger outer shroud in outside
Shape damper 1 is in elasticity, and in big shake, inside and outside two ring dampers surrender power consumption together.
During construction, such as Fig. 8, this many level damping classification surrender metal damper assembled can be completed in advance, metal damper
Connection backing plate 3 at be connected by high-strength bolt with the built-in fitting (i.e. non-compliant section 4) in coupling beam.
ABAQUS numerical simulations have been carried out to this example, referring to accompanying drawing 5, it can be found that the present invention is under the effect of middle earthquake magnitude,
Inner ring damper 2 enters plasticity and consumed energy, and outer shroud damper 1 is in elastic stage；Referring to accompanying drawing 6, it can be found that in big shake effect
Under, two ring dampers enter plasticity and consumed energy together；Fig. 7 is the hysteresis loop figure of the present invention, and this hair is can be found that from figure
Typical three linear character, i.e. starting stage elasticity is presented in bright skeleton curve, and then inner ring damper 2 is surrendered, last outer shroud
Damper 1 is surrendered, and illustrates that expected design is fully achieved in the present invention, and the classification surrender shaken and shaken greatly can meet simultaneously in is required.
Embodiment two (not shown)：
On the basis of embodiment one, the present invention also provides a kind of many level damping classification surrender metal dampers, compares
In embodiment one, difference is, have in the present embodiment it is outer in three ring dampers, and between adjacent annular damper
Still it is connected by connection backing plate.And then, in application implementation, the ring damper in inner ring surrenders power consumption in small shake
(i.e. small shake when middle ring and outer shroud keep elasticity), just surrender power consumption is (interior during middle shake in middle earthquake magnitude for the ring damper of middle ring
Ring and middle ring all surrender power consumption, and outer shroud keeps elasticity), the ring damper of outer shroud just surrenders power consumption in big shake (during big shake
Inner ring, middle ring and outer shroud all surrender power consumption).Other structures are substantially identical with embodiment one, and just no longer this adds to repeat.
Complete after above-mentioned implementation process, following characteristics of the present invention should be able to be embodied：
The present invention can be used in Coupled Shear Wall or frame structure, can realize that classification is bent under different anti-seismic fortification
The function of power consumption is taken, the safety of agent structure is protected, and the present invention is easy to reparation and changed after injury.
The above-mentioned description to embodiment is it will be appreciated that and using this for ease of those skilled in the art
Invention.Person skilled in the art obviously can easily make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to above-mentioned implementation
Example, those skilled in the art do not depart from improvement that scope made and change all should be according to the announcement of the present invention
Within protection scope of the present invention.
Claims (10)
1. a kind of many level damping classification surrender metal dampers, it is characterised in that：Many level damping classification surrender metals
Damper includes having interval between coaxial inside and outside at least two ring dampers being arranged, the two neighboring ring damper
And connected by connection backing plate, two ring dampers are used to be connected with building structure；When flexural deformation, relative place
In the ring damper preferential yield of the ring damper than being in outer ring relatively of inner ring.
2. many level damping classification surrender metal dampers according to claim 1, it is characterised in that：Each annular
The interlude that damper includes the segmental arc at two ends and is connected between segmental arc described in two ends, the interlude is provided with expansion
Connecting plate, the connection backing plate be clamped and connected in inside and outside two ring dampers it is adjacent two pieces it is described expand connecting plate it
Between.
3. many level damping classification surrender metal dampers according to claim 2, it is characterised in that：Every piece of expansion
Screw, the expansion connecting plate and the connection backing plate bolt connection are offered on connecting plate.
4. many level damping classification surrender metal dampers according to claim 3, it is characterised in that：The annular damper
Device is made up of metal material, including Low Yield Point Steel or Q235 steel, and inside and outside two ring dampers are by same material or not
It is made with material, inside and outside two ring dampers have different yield displacements respectively.
5. many level damping classification surrender metal dampers according to claim 4, it is characterised in that：Pass through finite element mould
Intend analysis respectively and calculate maximum lateral deformation amount of the inside and outside ring damper when designing displacement, the connection backing plate
Thickness is more than the maximum lateral deformation amount.
6. metal dampers are surrendered in many level damping classifications according to claim 1 or 5, it is characterised in that：The annular
The quantity of damper is connected in three different earthquake magnitudes by connection backing plate between three, and the adjacent ring damper
Under one by one surrender power consumption.
7. many level damping classification surrender metal dampers according to claim 2, it is characterised in that：The segmental arc with
The link position of the interlude smoothly transits to prevent stress concentration.
8. many level damping classification surrender metal dampers according to claim 1, it is characterised in that：Many levels subtract
Shake classification surrender metal damper is arranged at the coupling beam of Coupled Shear Wall and is connected to the non-of the coupling beam by high-strength bolt
Surrender section.
9. many level damping classification surrender metal dampers according to claim 1, it is characterised in that：Many levels subtract
Shake classification surrender metal damper branch is located at the interlayer of frame structure and then is classified surrender power consumption.
10. many level damping classification surrender metal dampers according to claim 1, it is characterised in that：The annular resistance
Buddhist nun's device is formed by the cutting of block of metal plate or polylith metal plate weld is spliced.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083407.0A CN107060124A (en) | 2016-11-30 | 2016-11-30 | Many level damping classification surrender metal dampers |
| PCT/CN2017/086802 WO2018099026A1 (en) | 2016-11-30 | 2017-06-01 | Multi-level shock-absorbing and graded-yielding metal damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083407.0A CN107060124A (en) | 2016-11-30 | 2016-11-30 | Many level damping classification surrender metal dampers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107060124A true CN107060124A (en) | 2017-08-18 |
Family
ID=59618752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611083407.0A Pending CN107060124A (en) | 2016-11-30 | 2016-11-30 | Many level damping classification surrender metal dampers |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107060124A (en) |
| WO (1) | WO2018099026A1 (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489296A (en) * | 2017-09-30 | 2017-12-19 | 沈阳建筑大学 | The energy-dissipating and shock-absorbing attachment structure and assembly method of assembly concrete coupling beam |
| CN108086525A (en) * | 2018-01-04 | 2018-05-29 | 同济大学建筑设计研究院(集团)有限公司 | O-shaped bent plate energy consumption assembling type node |
| CN108385850A (en) * | 2017-12-27 | 2018-08-10 | 陈云 | A kind of large deformation shock-damping energy-dissipating device design and preparation method thereof |
| CN110206184A (en) * | 2019-06-20 | 2019-09-06 | 海南大学 | A kind of compound damping classification surrender damper |
| CN110284612A (en) * | 2019-06-20 | 2019-09-27 | 海南大学 | A kind of assembled Self-resetting endless metal damper |
| CN111287344A (en) * | 2020-02-12 | 2020-06-16 | 青岛理工大学 | Shock-absorbing and collapse-preventing combined structure |
| CN111364635A (en) * | 2020-03-18 | 2020-07-03 | 北京建筑大学 | Multi-disaster and multi-performance target-oriented multi-yield-point metal shear damper |
| CN111794085A (en) * | 2020-07-17 | 2020-10-20 | 河北工业大学 | Variable cross-section yielding L-shaped metal damper |
| CN111945920A (en) * | 2020-08-20 | 2020-11-17 | 海南大学 | Hierarchical yield damper |
| CN111945915A (en) * | 2020-07-20 | 2020-11-17 | 北京工业大学 | Nested U-shaped staged yield damper |
| CN112112303A (en) * | 2020-09-09 | 2020-12-22 | 五邑大学 | Damper |
| CN112211313A (en) * | 2020-09-29 | 2021-01-12 | 北京工业大学 | Spatial three-dimensional deformation shock absorber capable of achieving energy consumption in grading manner |
| CN112359998A (en) * | 2020-11-02 | 2021-02-12 | 中原工学院 | Telescopic replaceable buckling-restrained energy-dissipation supporting component |
| CN112900670A (en) * | 2021-01-22 | 2021-06-04 | 江南大学 | Replaceable sectional yielding metal energy dissipation damper |
| CN114000603A (en) * | 2021-11-30 | 2022-02-01 | 海南大学 | Building shock-absorbing structure and multidimensional energy dissipation damper thereof |
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| CN114593176B (en) * | 2022-02-17 | 2023-11-03 | 天津科技大学 | Damping mechanism |
| CN114856037B (en) * | 2022-06-22 | 2023-07-07 | 方圆建设集团有限公司 | Assembled shear force wall of variable damping |
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| CN206220289U (en) * | 2016-11-30 | 2017-06-06 | 海南大学 | Many level damping classification surrender metal dampers |
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| JP2006022843A (en) * | 2004-07-06 | 2006-01-26 | Nippon Steel Corp | Damper |
| CN101836010A (en) * | 2007-10-26 | 2010-09-15 | 新日铁工程技术株式会社 | Seismic isolation apparatus for structures, method for installing apparatus thereof, and seismic isolation member |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489296A (en) * | 2017-09-30 | 2017-12-19 | 沈阳建筑大学 | The energy-dissipating and shock-absorbing attachment structure and assembly method of assembly concrete coupling beam |
| CN108385850A (en) * | 2017-12-27 | 2018-08-10 | 陈云 | A kind of large deformation shock-damping energy-dissipating device design and preparation method thereof |
| CN108086525A (en) * | 2018-01-04 | 2018-05-29 | 同济大学建筑设计研究院(集团)有限公司 | O-shaped bent plate energy consumption assembling type node |
| CN110206184A (en) * | 2019-06-20 | 2019-09-06 | 海南大学 | A kind of compound damping classification surrender damper |
| CN110284612A (en) * | 2019-06-20 | 2019-09-27 | 海南大学 | A kind of assembled Self-resetting endless metal damper |
| CN111287344B (en) * | 2020-02-12 | 2021-04-06 | 青岛理工大学 | Shock-absorbing and collapse-preventing combined structure |
| CN111287344A (en) * | 2020-02-12 | 2020-06-16 | 青岛理工大学 | Shock-absorbing and collapse-preventing combined structure |
| CN111364635A (en) * | 2020-03-18 | 2020-07-03 | 北京建筑大学 | Multi-disaster and multi-performance target-oriented multi-yield-point metal shear damper |
| CN111364635B (en) * | 2020-03-18 | 2021-06-18 | 北京建筑大学 | Multi-disaster and multi-performance target-oriented multi-yield-point metal shear damper |
| CN111794085A (en) * | 2020-07-17 | 2020-10-20 | 河北工业大学 | Variable cross-section yielding L-shaped metal damper |
| CN111945915A (en) * | 2020-07-20 | 2020-11-17 | 北京工业大学 | Nested U-shaped staged yield damper |
| CN111945920A (en) * | 2020-08-20 | 2020-11-17 | 海南大学 | Hierarchical yield damper |
| CN112112303A (en) * | 2020-09-09 | 2020-12-22 | 五邑大学 | Damper |
| CN112211313A (en) * | 2020-09-29 | 2021-01-12 | 北京工业大学 | Spatial three-dimensional deformation shock absorber capable of achieving energy consumption in grading manner |
| CN112211313B (en) * | 2020-09-29 | 2021-12-31 | 北京工业大学 | Spatial three-dimensional deformation shock absorber capable of achieving energy consumption in grading manner |
| CN112359998A (en) * | 2020-11-02 | 2021-02-12 | 中原工学院 | Telescopic replaceable buckling-restrained energy-dissipation supporting component |
| CN112900670A (en) * | 2021-01-22 | 2021-06-04 | 江南大学 | Replaceable sectional yielding metal energy dissipation damper |
| CN114000603A (en) * | 2021-11-30 | 2022-02-01 | 海南大学 | Building shock-absorbing structure and multidimensional energy dissipation damper thereof |
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| Publication number | Publication date |
|---|---|
| WO2018099026A1 (en) | 2018-06-07 |
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Application publication date: 20170818 |